FreeCalypso > hg > freecalypso-sw
annotate gsm-fw/nucleus/pice.c @ 469:5031958cea52
os_tim_ir.c: os_StopTimer(): comment fix
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Thu, 26 Jun 2014 06:32:38 +0000 |
parents | afceeeb2cba1 |
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rev | line source |
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1 /*************************************************************************/ |
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2 /* */ |
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3 /* Copyright Mentor Graphics Corporation 2002 */ |
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4 /* All Rights Reserved. */ |
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5 /* */ |
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6 /* THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS */ |
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7 /* THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS */ |
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8 /* SUBJECT TO LICENSE TERMS. */ |
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9 /* */ |
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10 /*************************************************************************/ |
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11 |
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12 /*************************************************************************/ |
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13 /* */ |
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14 /* FILE NAME VERSION */ |
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15 /* */ |
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16 /* pice.c Nucleus PLUS 1.14 */ |
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17 /* */ |
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18 /* COMPONENT */ |
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19 /* */ |
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20 /* PI - Pipe Management */ |
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21 /* */ |
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22 /* DESCRIPTION */ |
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23 /* */ |
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24 /* This file contains error checking routines for core functions */ |
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25 /* of the Pipe component. This permits easy removal of error */ |
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26 /* checking logic when it is not needed. */ |
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27 /* */ |
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28 /* DATA STRUCTURES */ |
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29 /* */ |
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30 /* None */ |
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31 /* */ |
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32 /* FUNCTIONS */ |
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33 /* */ |
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34 /* PICE_Create_Pipe Create a pipe */ |
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35 /* PICE_Delete_Pipe Delete a pipe */ |
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36 /* PICE_Send_To_Pipe Send a pipe message */ |
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37 /* PICE_Receive_From_Pipe Receive a pipe message */ |
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38 /* */ |
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39 /* DEPENDENCIES */ |
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40 /* */ |
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41 /* cs_extr.h Common Service functions */ |
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42 /* tc_extr.h Thread Control functions */ |
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43 /* pi_extr.h Pipe functions */ |
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44 /* */ |
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45 /* HISTORY */ |
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46 /* */ |
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47 /* DATE REMARKS */ |
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48 /* */ |
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49 /* 03-01-1993 Created initial version 1.0 */ |
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50 /* 04-19-1993 Verified version 1.0 */ |
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51 /* 03-01-1994 Split original error checking */ |
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52 /* file and changed function */ |
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53 /* interfaces, resulting in */ |
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54 /* version 1.1 */ |
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55 /* */ |
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56 /* 03-18-1994 Verified version 1.1 */ |
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57 /* 12-19-1995 Modified PICE_Receive_From_Pipe, */ |
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58 /* resulting in version 1.1+ */ |
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59 /* (spr065) */ |
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60 /* 04-17-1996 updated to version 1.2 */ |
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61 /* 03-24-1998 Released version 1.3 */ |
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62 /* 06-04-1998 Modified PICE_Send_To_Pipe to */ |
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63 /* check for a size of 0, created */ |
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64 /* version 1.3a. (SPR493) */ |
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65 /* 04-17-2002 Released version 1.13m */ |
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66 /* 11-07-2002 Released version 1.14 */ |
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67 /*************************************************************************/ |
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68 #define NU_SOURCE_FILE |
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69 |
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70 |
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71 #include "cs_extr.h" /* Common service functions */ |
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72 #include "tc_extr.h" /* Thread control functions */ |
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73 #include "pi_extr.h" /* Pipe functions */ |
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74 |
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75 |
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76 /*************************************************************************/ |
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77 /* */ |
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78 /* FUNCTION */ |
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79 /* */ |
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80 /* PICE_Create_Pipe */ |
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81 /* */ |
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82 /* DESCRIPTION */ |
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83 /* */ |
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84 /* This function performs error checking on the parameters supplied */ |
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85 /* to the pipe create function. */ |
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86 /* */ |
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87 /* CALLED BY */ |
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88 /* */ |
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89 /* Application */ |
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90 /* */ |
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91 /* CALLS */ |
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92 /* */ |
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93 /* PIC_Create_Pipe Actual create pipe function */ |
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94 /* */ |
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95 /* INPUTS */ |
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96 /* */ |
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97 /* pipe_ptr Pipe control block pointer */ |
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98 /* name Pipe name */ |
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99 /* start_address Starting address of actual */ |
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100 /* pipe area */ |
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101 /* pipe_size Total size of pipe */ |
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102 /* message_type Type of message supported by */ |
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103 /* the pipe (fixed/variable) */ |
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104 /* message_size Size of message. Variable */ |
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105 /* message-length queues, this*/ |
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106 /* represents the maximum size*/ |
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107 /* suspend_type Suspension type */ |
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108 /* */ |
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109 /* OUTPUTS */ |
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110 /* */ |
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111 /* NU_INVALID_PIPE Invalid pipe pointer */ |
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112 /* NU_INVALID_MEMORY Invalid pipe starting addr */ |
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113 /* NU_INVALID_SIZE Invalid pipe size and/or */ |
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114 /* size of message */ |
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115 /* NU_INVALID_MESSAGE Invalid message type */ |
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116 /* NU_INVALID_SUSPEND Invalid suspend type */ |
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117 /* */ |
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118 /* HISTORY */ |
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119 /* */ |
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120 /* DATE REMARKS */ |
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121 /* */ |
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122 /* 03-01-1993 Created initial version 1.0 */ |
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123 /* 04-19-1993 Verified version 1.0 */ |
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124 /* 03-01-1994 Modified function interface, */ |
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125 /* resulting in version 1.1 */ |
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126 /* */ |
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127 /* 03-18-1994 Verified version 1.1 */ |
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128 /* */ |
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129 /*************************************************************************/ |
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130 STATUS PICE_Create_Pipe(NU_PIPE *pipe_ptr, CHAR *name, |
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131 VOID *start_address, UNSIGNED pipe_size, |
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132 OPTION message_type, UNSIGNED message_size, |
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133 OPTION suspend_type) |
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134 { |
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135 |
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136 PI_PCB *pipe; |
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137 STATUS status; |
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138 UNSIGNED overhead; |
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139 |
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140 |
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141 /* Move input pipe pointer into internal pointer. */ |
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142 pipe = (PI_PCB *) pipe_ptr; |
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143 |
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144 |
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145 /* Determine if pipe supports variable length messages. If so, |
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146 additional bytes of overhead are required. */ |
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147 if (message_type == NU_VARIABLE_SIZE) |
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148 |
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149 /* Calculate the number of overhead bytes necessary for the additional |
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150 word of overhead and the pad-bytes required to keep the pipe |
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151 write pointer on an UNSIGNED data element alignment. */ |
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152 overhead = sizeof(UNSIGNED) + |
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153 (((message_size + sizeof(UNSIGNED) - 1)/sizeof(UNSIGNED)) * |
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154 sizeof(UNSIGNED)) - message_size; |
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155 |
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156 else |
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157 |
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158 /* Fixed-size message queues require no additional overhead. */ |
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159 overhead = 0; |
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160 |
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161 |
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162 /* Determine if there is an error with the pipe pointer. */ |
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163 if ((pipe == NU_NULL) || (pipe -> pi_id == PI_PIPE_ID)) |
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164 |
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165 /* Indicate that the pipe pointer is invalid. */ |
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166 status = NU_INVALID_PIPE; |
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167 |
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168 else if (start_address == NU_NULL) |
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169 |
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170 /* Indicate that the starting address of the pipe is invalid. */ |
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171 status = NU_INVALID_MEMORY; |
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172 |
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173 else if ((pipe_size == 0) || (message_size == 0) || |
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174 ((message_size + overhead) > pipe_size)) |
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175 |
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176 /* Indicate that one or both of the size parameters are invalid. */ |
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177 status = NU_INVALID_SIZE; |
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178 |
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179 else if ((message_type != NU_FIXED_SIZE) && |
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180 (message_type != NU_VARIABLE_SIZE)) |
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181 |
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182 /* Indicate that the message type is invalid. */ |
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183 status = NU_INVALID_MESSAGE; |
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184 |
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185 else if ((suspend_type != NU_FIFO) && (suspend_type != NU_PRIORITY)) |
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186 |
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187 /* Indicate that the suspend type is invalid. */ |
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188 status = NU_INVALID_SUSPEND; |
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189 |
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190 else |
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191 |
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192 /* All the parameters are okay, call the actual function to create |
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193 a pipe. */ |
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194 status = PIC_Create_Pipe(pipe_ptr, name, start_address, pipe_size, |
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195 message_type, message_size, suspend_type); |
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196 |
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197 /* Return completion status. */ |
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198 return(status); |
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199 } |
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200 |
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201 |
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202 /*************************************************************************/ |
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203 /* */ |
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204 /* FUNCTION */ |
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205 /* */ |
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206 /* PICE_Delete_Pipe */ |
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207 /* */ |
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208 /* DESCRIPTION */ |
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209 /* */ |
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210 /* This function performs error checking on the parameter supplied */ |
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211 /* to the pipe delete function. */ |
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212 /* */ |
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213 /* CALLED BY */ |
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214 /* */ |
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215 /* Application */ |
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216 /* */ |
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217 /* CALLS */ |
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218 /* */ |
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219 /* PIC_Delete_Pipe Actual delete pipe function */ |
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220 /* */ |
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221 /* INPUTS */ |
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222 /* */ |
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223 /* pipe_ptr Pipe control block pointer */ |
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224 /* */ |
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225 /* OUTPUTS */ |
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226 /* */ |
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227 /* NU_INVALID_PIPE Invalid pipe pointer */ |
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228 /* */ |
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229 /* HISTORY */ |
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230 /* */ |
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231 /* DATE REMARKS */ |
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232 /* */ |
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233 /* 03-01-1993 Created initial version 1.0 */ |
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234 /* 04-19-1993 Verified version 1.0 */ |
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235 /* 03-01-1994 Modified function interface, */ |
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236 /* resulting in version 1.1 */ |
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237 /* */ |
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238 /* 03-18-1994 Verified version 1.1 */ |
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239 /* */ |
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240 /*************************************************************************/ |
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241 STATUS PICE_Delete_Pipe(NU_PIPE *pipe_ptr) |
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242 { |
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243 |
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244 PI_PCB *pipe; |
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245 STATUS status; |
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246 |
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247 |
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248 /* Move input pipe pointer into internal pointer. */ |
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249 pipe = (PI_PCB *) pipe_ptr; |
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250 |
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251 |
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252 /* Determine if there is an error with the pipe pointer. */ |
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253 if (pipe == NU_NULL) |
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254 |
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255 /* Indicate that the pipe pointer is invalid. */ |
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256 status = NU_INVALID_PIPE; |
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257 |
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258 else if (pipe -> pi_id != PI_PIPE_ID) |
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259 |
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260 /* Indicate that the pipe pointer is invalid. */ |
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261 status = NU_INVALID_PIPE; |
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262 |
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263 else |
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264 |
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265 /* All the parameters are okay, call the actual function to delete |
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266 a pipe. */ |
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267 status = PIC_Delete_Pipe(pipe_ptr); |
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268 |
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269 /* Return completion status. */ |
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270 return(status); |
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271 } |
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272 |
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273 |
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274 /*************************************************************************/ |
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275 /* */ |
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276 /* FUNCTION */ |
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277 /* */ |
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278 /* PICE_Send_To_Pipe */ |
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279 /* */ |
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280 /* DESCRIPTION */ |
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281 /* */ |
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282 /* This function performs error checking on the parameters supplied */ |
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283 /* to the send message to pipe function. */ |
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284 /* */ |
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285 /* CALLED BY */ |
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286 /* */ |
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287 /* Application */ |
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288 /* */ |
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289 /* CALLS */ |
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290 /* */ |
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291 /* PIC_Send_To_Pipe Actual send pipe message */ |
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292 /* function */ |
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293 /* TCCE_Suspend_Error Check suspend validity */ |
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294 /* */ |
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295 /* INPUTS */ |
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296 /* */ |
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297 /* pipe_ptr Pipe control block pointer */ |
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298 /* message Pointer to message to send */ |
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299 /* size Size of message to send */ |
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300 /* suspend Suspension option if full */ |
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301 /* */ |
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302 /* OUTPUTS */ |
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303 /* */ |
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304 /* NU_INVALID_PIPE Invalid pipe pointer */ |
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305 /* NU_INVALID_POINTER Invalid message pointer */ |
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306 /* NU_INVALID_SIZE Invalid message size */ |
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307 /* NU_INVALID_SUSPEND Invalid suspend request */ |
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308 /* */ |
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309 /* HISTORY */ |
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310 /* */ |
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311 /* DATE REMARKS */ |
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312 /* */ |
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313 /* 03-01-1993 Created initial version 1.0 */ |
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314 /* 04-19-1993 Verified version 1.0 */ |
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315 /* 03-01-1994 Modified function interface, */ |
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316 /* resulting in version 1.1 */ |
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317 /* */ |
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318 /* 03-18-1994 Verified version 1.1 */ |
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319 /* 06-04-1998 Corrected SPR493 */ |
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320 /* */ |
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321 /*************************************************************************/ |
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322 STATUS PICE_Send_To_Pipe(NU_PIPE *pipe_ptr, VOID *message, UNSIGNED size, |
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323 UNSIGNED suspend) |
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324 { |
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325 |
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326 PI_PCB *pipe; |
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327 STATUS status; |
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328 |
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329 |
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330 /* Move input pipe pointer into internal pointer. */ |
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331 pipe = (PI_PCB *) pipe_ptr; |
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332 |
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333 /* Determine if there is an error with the pipe pointer. */ |
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334 if (pipe == NU_NULL) |
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335 |
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336 /* Indicate that the pipe pointer is invalid. */ |
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337 status = NU_INVALID_PIPE; |
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338 |
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339 else if (pipe -> pi_id != PI_PIPE_ID) |
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340 |
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341 /* Indicate that the pipe pointer is invalid. */ |
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342 status = NU_INVALID_PIPE; |
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343 |
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344 else if (message == NU_NULL) |
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|
345 |
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346 /* Indicate that the pointer to the message is invalid. */ |
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347 status = NU_INVALID_POINTER; |
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348 |
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349 else if (size == 0) |
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|
350 |
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351 /* Indicate that the message size is invalid. */ |
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352 status = NU_INVALID_SIZE; |
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|
353 |
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354 else if ((pipe -> pi_fixed_size) && (size != pipe -> pi_message_size)) |
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|
355 |
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356 /* Indicate that the message size is invalid. */ |
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357 status = NU_INVALID_SIZE; |
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358 |
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359 else if ((!pipe -> pi_fixed_size) && (size > pipe -> pi_message_size)) |
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360 |
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361 /* Indicate that the message size is invalid. */ |
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362 status = NU_INVALID_SIZE; |
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|
363 |
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364 else if ((suspend) && (TCCE_Suspend_Error())) |
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|
365 |
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366 /* Indicate that suspension is only valid from a non-task thread. */ |
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367 status = NU_INVALID_SUSPEND; |
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|
368 |
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369 else |
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370 |
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371 /* All the parameters are okay, call the actual function to send |
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372 a message to a pipe. */ |
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373 status = PIC_Send_To_Pipe(pipe_ptr, message, size, suspend); |
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374 |
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375 /* Return completion status. */ |
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376 return(status); |
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377 } |
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378 |
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379 |
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380 /*************************************************************************/ |
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381 /* */ |
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382 /* FUNCTION */ |
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383 /* */ |
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|
384 /* PICE_Receive_From_Pipe */ |
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385 /* */ |
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386 /* DESCRIPTION */ |
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387 /* */ |
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388 /* This function performs error checking on the parameters supplied */ |
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389 /* to the receive message from pipe function. */ |
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390 /* */ |
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391 /* CALLED BY */ |
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392 /* */ |
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393 /* Application */ |
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394 /* */ |
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395 /* CALLS */ |
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396 /* */ |
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397 /* PIC_Receive_From_Pipe Actual receive message from */ |
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398 /* pipe */ |
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399 /* TCCE_Suspend_Error Check suspend validity */ |
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400 /* */ |
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401 /* INPUTS */ |
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402 /* */ |
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403 /* pipe_ptr Pipe control block pointer */ |
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404 /* message Pointer to message to send */ |
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405 /* size Size of the message */ |
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406 /* actual_size Size of message received */ |
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407 /* suspend Suspension option if empty */ |
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408 /* */ |
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409 /* OUTPUTS */ |
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|
410 /* */ |
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411 /* NU_INVALID_PIPE Invalid pipe pointer */ |
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412 /* NU_INVALID_POINTER Invalid message pointer */ |
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413 /* NU_INVALID_SIZE Invalid message size */ |
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414 /* NU_INVALID_SUSPEND Invalid suspend request */ |
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|
415 /* */ |
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416 /* HISTORY */ |
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|
417 /* */ |
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418 /* DATE REMARKS */ |
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|
419 /* */ |
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420 /* 03-01-1993 Created initial version 1.0 */ |
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421 /* 04-19-1993 Verified version 1.0 */ |
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422 /* 03-01-1994 Modified function interface, */ |
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423 /* resulting in version 1.1 */ |
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|
424 /* */ |
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|
425 /* 03-18-1994 Verified version 1.1 */ |
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426 /* 12-19-1995 Changed the variable pipe check */ |
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|
427 /* from "message size not equal */ |
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428 /* to pipe message size" to */ |
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|
429 /* "message size greater than */ |
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|
430 /* pipe message size",resulting */ |
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431 /* in version 1.1+ (spr065) */ |
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|
432 /* */ |
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|
433 /*************************************************************************/ |
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|
434 STATUS PICE_Receive_From_Pipe(NU_PIPE *pipe_ptr, VOID *message, |
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435 UNSIGNED size, UNSIGNED *actual_size, UNSIGNED suspend) |
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|
436 { |
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|
437 |
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|
438 PI_PCB *pipe; |
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|
439 STATUS status; |
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|
440 |
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|
441 |
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|
442 /* Move input pipe pointer into internal pointer. */ |
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443 pipe = (PI_PCB *) pipe_ptr; |
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|
444 |
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|
445 /* Determine if there is an error with the pipe pointer. */ |
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|
446 if (pipe == NU_NULL) |
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|
447 |
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|
448 /* Indicate that the pipe pointer is invalid. */ |
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|
449 status = NU_INVALID_PIPE; |
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|
450 |
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|
451 else if (pipe -> pi_id != PI_PIPE_ID) |
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|
452 |
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|
453 /* Indicate that the pipe pointer is invalid. */ |
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|
454 status = NU_INVALID_PIPE; |
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|
455 |
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|
456 else if (message == NU_NULL) |
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|
457 |
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|
458 /* Indicate that the pointer to the message is invalid. */ |
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|
459 status = NU_INVALID_POINTER; |
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|
460 |
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|
461 else if (size == 0) |
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diff
changeset
|
462 |
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diff
changeset
|
463 /* Indicate that the message size is invalid. */ |
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|
464 status = NU_INVALID_SIZE; |
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diff
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|
465 |
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|
466 else if ((pipe -> pi_fixed_size) && (size != pipe -> pi_message_size)) |
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diff
changeset
|
467 |
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diff
changeset
|
468 /* Indicate that the message size is invalid. */ |
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|
469 status = NU_INVALID_SIZE; |
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diff
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|
470 |
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|
471 else if ((!pipe -> pi_fixed_size) && (size > pipe -> pi_message_size)) |
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diff
changeset
|
472 |
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diff
changeset
|
473 /* Indicate that the message size is invalid. */ |
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|
474 status = NU_INVALID_SIZE; |
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diff
changeset
|
475 |
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|
476 else if ((suspend) && (TCCE_Suspend_Error())) |
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diff
changeset
|
477 |
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diff
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|
478 /* Indicate that suspension is only valid from a non-task thread. */ |
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|
479 status = NU_INVALID_SUSPEND; |
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diff
changeset
|
480 |
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|
481 else |
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|
482 |
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|
483 /* All the parameters are okay, call the actual function to receive |
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|
484 a message from a pipe. */ |
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diff
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|
485 status = PIC_Receive_From_Pipe(pipe_ptr, message, size, actual_size, |
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|
486 suspend); |
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diff
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|
487 |
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changeset
|
488 /* Return completion status. */ |
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|
489 return(status); |
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|
490 } |
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diff
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|
491 |
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parents:
diff
changeset
|
492 |
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parents:
diff
changeset
|
493 |
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parents:
diff
changeset
|
494 |
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parents:
diff
changeset
|
495 |
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parents:
diff
changeset
|
496 |
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parents:
diff
changeset
|
497 |